diff options
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_guc_log.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 17 |
2 files changed, 13 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c index 59702ebc68f6..36332064de9c 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c @@ -372,6 +372,7 @@ static int guc_log_relay_create(struct intel_guc_log *log) int ret; lockdep_assert_held(&log->relay.lock); + GEM_BUG_ON(!log->vma); /* Keep the size of sub buffers same as shared log buffer */ subbuf_size = log->vma->size; @@ -554,6 +555,9 @@ int intel_guc_log_relay_open(struct intel_guc_log *log) { int ret; + if (!log->vma) + return -ENODEV; + mutex_lock(&log->relay.lock); if (intel_guc_log_relay_enabled(log)) { diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index e7ce739fe545..b39226d7f8d2 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -2028,14 +2028,16 @@ DEFINE_SIMPLE_ATTRIBUTE(i915_guc_log_level_fops, static int i915_guc_log_relay_open(struct inode *inode, struct file *file) { - struct drm_i915_private *dev_priv = inode->i_private; + struct drm_i915_private *i915 = inode->i_private; + struct intel_guc *guc = &i915->gt.uc.guc; + struct intel_guc_log *log = &guc->log; - if (!USES_GUC(dev_priv)) + if (!intel_guc_is_running(guc)) return -ENODEV; - file->private_data = &dev_priv->gt.uc.guc.log; + file->private_data = log; - return intel_guc_log_relay_open(&dev_priv->gt.uc.guc.log); + return intel_guc_log_relay_open(log); } static ssize_t @@ -2047,16 +2049,15 @@ i915_guc_log_relay_write(struct file *filp, struct intel_guc_log *log = filp->private_data; intel_guc_log_relay_flush(log); - return cnt; } static int i915_guc_log_relay_release(struct inode *inode, struct file *file) { - struct drm_i915_private *dev_priv = inode->i_private; - - intel_guc_log_relay_close(&dev_priv->gt.uc.guc.log); + struct drm_i915_private *i915 = inode->i_private; + struct intel_guc *guc = &i915->gt.uc.guc; + intel_guc_log_relay_close(&guc->log); return 0; } |